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I am developing an app for Hololens2 with Unity, Mixed Reality Toolkit and Azure Remote Rendering. Something with ARR (probably a misconfiguration) produces a deploy-time error:

 *** Assertion ***

    Expression: "hybridPlayer"
    Function: "RemotingXrLayerXrCreateApiLayerInstance"
    File: "D:\a\_work\1\s\src\libstreamer\hybrid\HybridPlayerOpenXrLayer.cpp"
    Line: 1480
    Message: "Hybrid player not valid."
Unhandled exception at 0x00007FFAF0BFACC4 (Microsoft.Holographic.HybridRemoting.dll) in hololens-<redacted>-unity.exe: 0xC0000602:

Does anyone have any idea where this could come from? My rendering pipeline is set to HybridRenderingPipeline, and my MRTK profile to ARRMixedRealityToolkitConfigurationProfile.

I will happily provide more information. It's just that at the moment I don't know what information is relevant to the problem.

Thank you!

K. Raivio
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1 Answers1

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This is a regression in the latest Azure Remote Rendering SDK. Please go back to Version 1.0.41 for now. This should be fixed with the next release.

Christopher Manthei
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  • Just for future, where did you get this information from? Their issue tracker seems to mention other problems with 1.0.47 but nothing related to this... – K. Raivio Feb 16 '22 at 07:34
  • @K.Raivio I'm working on Azure Remote Rendering. GitHub issues and [HoloDevelopers Azure Slack Channel](https://holodevelopers.slack.com/archives/CFTRE4CAU/p1644931793032399?thread_ts=1644599701.746379&cid=CFTRE4CAU) are good places to look for issues. We do check stackoverflow as well daily so feel free to ask questions here as well. – Christopher Manthei Feb 17 '22 at 17:01